Chloroquine is now uncommonly used in favor of its derivative hydroxychloroquine. In the United States, hydroxychloroquine is most often used for its anti-inflammatory effects in rheumatology and dermatology. Drug warnings for plaquenil Plaquenil cause alopecia Most common side effects of plaquenil Jul 30, 2019 Dosing. The dose of chloroquine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of chloroquine. If your dose is different, do not change it unless your doctor tells you to do so. Chloroquine, can be fatal. Medication should be stored in childproof containers out of the reach of infants and children. How long is it safe to use chloroquine? CDC has no limits on the use of chloroquine for the prevention of malaria. When chloroquine. is used at higher doses for many years, a rare eye condition called retinopathy has occurred. Ocular Surgery News The American Academy of Ophthalmology has published several dosing and screening recommendations for hydroxychloroquine to avoid potential retinal toxicity, yet some patients. While early toxicity may be asymtomatic, patients with more advanced stage of toxicity may complain of color vision changes or paracentral scotomas. Its toxic effects on the retina are seen in the macula. Chloroquine dosing for ophthalmology Chloroquine Oral Uses, Side Effects, Interactions, Pictures., Medicines for the Prevention of Malaria While Traveling. Does plaquenil cause bleeding A severe eye problem has happened with chloroquine. This may lead to lasting eyesight problems. The risk may be higher if you have some types of eye or kidney problems. The risk may also be higher with some doses of chloroquine, if you use chloroquine for longer than 5 years, or if you take certain other drugs like tamoxifen. Chloroquine Indications, Side Effects, Warnings -. Despite Plaquenil dosing recommendations, retinal toxicity.. Excess Hydroxychloroquine Dosing All Too Common. Usual Adult Dose for Malaria Prophylaxis. 500 mg chloroquine phosphate 300 mg base orally on the same day each week Comments-If possible, suppressive therapy should start 2 weeks prior to exposure; if unable to start 2 weeks before exposure, an initial loading dose of 1 g chloroquine phosphate 600 mg base may be taken orally in 2 divided doses, 6 hours apart. Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Risk is most accurately assessed on the basis of duration of use relative to daily dose/body weight Marmor AAO 2016; Melles 2014. Based on these risks, the American Academy of Ophthalmology AAO recommends not exceeding a daily chloroquine phosphate dosage of 2.3 mg/kg using actual body weight. Previous recommendations to use ideal body.